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C68300 Brass vs. C90400 Bronze

Both C68300 brass and C90400 bronze are copper alloys. They have 64% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C68300 brass and the bottom bar is C90400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 15
24
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 430
310
Tensile Strength: Yield (Proof), MPa 260
180

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 900
990
Melting Onset (Solidus), °C 890
850
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 120
75
Thermal Expansion, µm/m-K 20
18

Otherwise Unclassified Properties

Base Metal Price, % relative 23
34
Density, g/cm3 8.0
8.7
Embodied Carbon, kg CO2/kg material 2.8
3.5
Embodied Energy, MJ/kg 46
56
Embodied Water, L/kg 340
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
65
Resilience: Unit (Modulus of Resilience), kJ/m3 330
150
Stiffness to Weight: Axial, points 7.3
7.0
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 15
10
Strength to Weight: Bending, points 16
12
Thermal Diffusivity, mm2/s 38
23
Thermal Shock Resistance, points 14
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0.3 to 1.0
0 to 0.020
Boron (B), % 0
0 to 0.1
Cadmium (Cd), % 0 to 0.010
0
Copper (Cu), % 59 to 63
86 to 89
Iron (Fe), % 0
0 to 0.4
Lead (Pb), % 0 to 0.090
0 to 0.090
Manganese (Mn), % 0
0 to 0.010
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0.3 to 1.0
0 to 0.0050
Sulfur (S), % 0
0.1 to 0.65
Tin (Sn), % 0.050 to 0.2
7.5 to 8.5
Zinc (Zn), % 34.2 to 40.4
1.0 to 5.0
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.7